Soft exchange is one of the core equipment of the next-generation network and also one of the equipment of evolving from circuit exchange network to packet exchange network.
软交换是下一代网络的核心设备之一，也是目前电路交换网向分组交换网演进的设备之一。
The label analysis and processing, and the packet forwarding based on it are performed by LSR, which is the cell of MPLS network and combines the advantages of both conventional router and exchange.
对标签的分析、处理和根据标签内容进行包转发是在标签交换路由器LSR上完成的。
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